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KARIM NOURI MAHDAVIE MD
NPI 1568456911
Allergy & Immunology in Simi Valley, CA

Active since August 31, 2005PECOS Enrolled
2755 ALAMO ST, STE 100, SIMI VALLEY, CA 93065(805) 210-7280(805) 210-7281 Get Directions Write a Review

NPPES record last updated: September 16, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karim Nouri Mahdavie Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KARIM NOURI MAHDAVIE MD (NPI 1568456911) is an individual allergy & immunology provider in Simi Valley, California, licensed in California (C50379) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568456911
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameKARIM NOURI MAHDAVIECredential: MD
Location Address2755 ALAMO ST, STE 100Simi Valley, CA 93065-1311
Mailing Address4775 Del Moreno PlWoodland Hills, CA 91364-4634 · (818) 346-4380
Phone(805) 210-7280
Fax(805) 210-7281
Sole ProprietorYes
Enumeration DateAugust 31, 2005
Last NPPES UpdateSeptember 16, 2010
✔ NPI 1568456911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · C50379
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedPediatricsTaxonomy 208000000X · License C50379 (CA)
2755 ALAMO ST, Simi Valley, CA 93065
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Other Identifiers 1

Medicare UPING10984

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karim Nouri Mahdavie Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karim Mahdavie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northeast Valley Health Corporation
10 mi
Federally Qualified Health Center (FQHC)
7107 REMMET AVE
Canoga Park, CA 91303
  • Reassigned Medicare billing, California enrollment
  • 218 clinicians in this Medicare group
NPI 1740281120 (818) 340-3570

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BENNETT LEE M.D.
Family Medicine
2755 ALAMO ST, SUITE 101
SIMI VALLEY, CA 93065
Ventura County (805) 522-6577
DR. HARRY DRUMMOND III MD
Family Medicine
2755 ALAMO ST, SUITE 100
SIMI VALLEY, CA 93065
Ventura County (805) 210-7280
BRENT THOMAS TROMPETTO MD
Internal Medicine
2755 ALAMO ST, SUITE 100
SIMI VALLEY, CA 93065
Ventura County (805) 210-7280
DR. RICHARD MARK SHAW MD
Family Medicine
2755 ALAMO ST, #100
SIMI VALLEY, CA 93065
Ventura County (805) 210-7280
MRS. SHARON TAYLOR M.D.
Pediatrics
2755 ALAMO ST, STE 201
SIMI VALLEY, CA 93065
Ventura County (805) 522-6577
INGRID WOELFL ANTALL MD
Family Medicine
2755 ALAMO ST, STE 100
SIMI VALLEY, CA 93065
Ventura County (805) 210-7280

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karim Mahdavie's NPI number?

The NPI number for Karim Mahdavie is 1568456911. It was assigned to this individual provider in the NPPES registry on August 31, 2005.

Where is Karim Mahdavie located?

Karim Mahdavie practices at 2755 Alamo St Ste 100, Simi Valley, CA 93065. The listed phone number is (805) 210-7280.

What is Karim Mahdavie's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Karim Mahdavie enrolled in Medicare?

Yes. Karim Mahdavie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karim Mahdavie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karim Mahdavie reassigns Medicare benefits to Northeast Valley Health Corporation (Canoga Park, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karim Mahdavie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karim Mahdavie was last updated on September 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.